WorksheetsRespiratory System Quiz
Total questions: 1
Worksheet time: 10mins
What is the main function of breathing?
To transport water vapor to the body's cells
To transport oxygen to the body's cells
To transport carbon dioxide to the body's cells
To transport nitrogen to the body's cells
Which system controls the unconscious functions of breathing?
Central nervous system
Autonomic nervous system
Peripheral nervous system
Somatic nervous system
What happens to the diaphragm and intercostal muscles when the body prepares to take in oxygen-rich air?
The diaphragm contracts and the intercostal muscles flatten
The diaphragm flattens and the intercostal muscles contract
Both the diaphragm and intercostal muscles contract
Both the diaphragm and intercostal muscles relax
What is the function of the bronchioles in the respiratory system?
To transport carbon dioxide to the alveoli
To divide into thousands of tinier passages
To divide into bronchi
To transport oxygen to the alveoli
What is the function of the alveoli in the respiratory system?
To transport carbon dioxide to the capillaries
To transport oxygen to the capillaries
To exchange oxygen and carbon dioxide with the capillaries
To store oxygen and carbon dioxide
What is the role of hemoglobin in the respiratory system?
To transport oxygen to the alveoli
To transport oxygen throughout the body
To transport carbon dioxide to the alveoli
To exchange oxygen and carbon dioxide with the alveoli
What is the basic process by which oxygen and carbon dioxide are exchanged in the respiratory system?
Filtration
Active transport
Osmosis
Diffusion
How is carbon dioxide expelled from the body during exhalation?
The diaphragm flattens and the intercostal muscles contract
The diaphragm relaxes and the intercostal muscles contract
The diaphragm contracts and the intercostal muscles flatten
The diaphragm contracts and the intercostal muscles relax
What is the approximate number of times the lungs inhale and exhale in a minute?
5-10 times
20-25 times
10-15 times
15-20 times
How much air do the lungs inhale and exhale each day?
5,000 liters
12,500 liters
7,500 liters
10,000 liters
What is the main function of the autonomic nervous system in the respiratory system?
To consciously control breathing
To transport oxygen to the body's cells
To transport carbon dioxide to the body's cells
To unconsciously control vital functions
What is the function of the trachea in the respiratory system?
To transport air to the capillaries
To transport air to the alveoli
To transport air to the bronchioles
To transport air to the bronchi
What is the structure that wraps around the alveolus and contains red blood cells?
Capillaries
Bronchioles
Bronchi
Trachea
What is the function of the bronchi in the respiratory system?
To transport air to the capillaries
To transport air to the trachea
To divide into bronchioles
To transport air to the alveoli
What is the structure that divides into thousands of tinier passages called bronchioles?
Alveolus
Trachea
Bronchi
Capillaries
